Arbitrary Control of Entanglement between two nitrogen-vacancy center ensembles coupling to superconducting circuit qubit

摘要

We propose an effective scheme for realizing a Jaynes-Cummings (J-C) modelwith the collective nitrogen-vacancy center ensembles (NVE) bosonic modes in ahybrid system. Specifically, the controllable transmon qubit can alternativelyinteract with one of the two NVEs, which results in the production of $N$particle entangled states. Arbitrary $N$ particle entangled states, NOONstates, N-dimensional entangled states and entangled coherent states aredemonstrated. Realistic imperfections and decoherence effects are analyzed vianumerical simulation. Since no cavity photons or excited levels of the NVcenter are populated during the whole process, our scheme is insensitive tocavity decay and spontaneous emission of the NVE. The idea provides a scalableway to realize NVEs-circuit cavity quantum information processing with currenttechnology.